Gelfand

 ( Germanic-language Surnames ) 

Gelfand is a surname meaning "elephant" in the Yiddish language, and may refer to:

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People

• Alan Gelfand, inventor of the ollie, a skateboarding move
• Alan E. Gelfand, statistician
• Boris Gelfand, chess grandmaster
• Israel Gelfand, mathematician
• Alexander Parvus, Russian-born SPD agent
• Mikhail Gelfand, molecular biologist and bioinformacist, grandson of Israel (mathematician)
• Vladimir Gelfand, Soviet-Jewish writer

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Notions in mathematics Named after Israel Gelfand:

• the Gelfand representation allows a complete characterization of commutative C*-algebras as algebras of continuous complex-valued functions
• the Gelfand–Naimark–Segal construction
• the Gelfand–Naimark theorem
• the Gelfand–Mazur theorem
• a Gelfand pair, a pair ( G, K) consisting of a locally compact unimodular group G and a compact subgroup K
• a Gelfand triple, a construction designed to link the distribution (test function) and square-integrable aspects of functional analysis

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See also

• Gelfond
• Helfand
• Helfant

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